Papalia, D. E., Feldman, R. D., Gross, D., & Olds, S. W. (2004). Human development (Ninth edition.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Papalia, Diane E., Ruth Duskin Feldman, Dana Gross, agus Sally Wendkos Olds. Human Development. Ninth edition. Boston: McGraw-Hill, 2004.
Lua MLA (9ú heag.)Papalia, Diane E., et al. Human Development. Ninth edition. McGraw-Hill, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.